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A physical quantity Q is found to depend on quantities a, b, c by the relation Q = 2 3 4 c b a . The percentage error in a, b and c are 3 %, 4% and 5 % respectively. Then, the percentage error in Q is :

1. 14 %
2. 34 %
3. 66 %
4. 43 %

Correct answer: 34 %

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